Secret US embassy cables released by Wikileaks show nations are racing to "carve up" Arctic resources--oil, gas and even rubies--as the ice retreats. They suggest that Arctic states, including the US and Russia, are all pushing to stake a claim. The opportunity to exploit resources has come because of a dramatic fall in the amount of ice in the Arctic...

In a way, I miss the months that followed Lehman's failure. O.K., not really--but if it was a time of terror, it was also a time of clarity. The whole world was going to hell in a handbasket, and policy makers everywhere shared a common goal: stopping the plunge...

In an unexpected setback to efforts to harness a promising new type of
stem cell to treat diseases, researchers reported on Friday that tissues
made from those stem cells might be rejected by a patient's immune
system--even though the tissues would be derived from the same patient...

CAPE CANAVERAL, Fla.-- Endeavour blasted off on NASA's next-to-last
shuttle flight, thundering through clouds into orbit Monday morning as the
mission commander's wounded wife, U.S. congresswoman Gabrielle Giffords,
watched along with an exhilarated crowd estimated in the hundreds of
thousands...

World Health Organization Director General Margaret Chan reports new
vaccines, medicines and other technologies are successfully combating killer
diseases and saving lives. Chan delivered a generally upbeat message on the
state of global health at the start of the organization's 64th World Health
Assembly...

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Extreme events, such as super floods and hurricanes, are becoming more common, so civil engineers are trying to adapt civil infrastructure such as bridges to these unpredictable and sometimes devastating meteorological events. Engineer Ana Barros discusses how engineering can prepare us for extreme weather events, but also how changing climate and population conditions can affect the ability of infrastructure to hold up over time.